機器
action
activity
backhoe
blue
bucket
building
bulldozer
construction
crawler
development
dig
digger
dirt
earth
earthmover
engineering
equipment
excavate
excavating
excavation
excavator
gravel
ground
heavy
hydraulic
industrial
industry
loader
loading
machinery
mine
mover
moving
outdoors
power
road
sand
scoop
shovel
site
sky
soil
tractor
transport
unloading
vehicle
work
workplace
yellow